con·duc·tor /kənˈdəktɚ/ 名詞
1. One who, or that which, conducts; a leader; a commander; a guide; a manager; a director.
Zeal, the blind conductor of the will. --Dryden.
2. One in charge of a public conveyance, as of a railroad train or a street car. [U. S.]
3. Mus. The leader or director of an orchestra or chorus.
4. Physics A substance or body capable of being a medium for the transmission of certain forces, esp. heat or electricity; specifically, a lightning rod.
5. Surg. A grooved sound or staff used for directing instruments, as lithontriptic forceps, etc.; a director.
6. Arch. Same as Leader.
Prime conductor Elec., the largest conductor of an electrical machine, serving to collect, accumulate, or retain the electricity.
n 1: the person who leads a musical group [syn: music director,
2: a device designed to transmit electricity, heat, etc.
3: a substance that readily conducts e.g. electricity and heat
4: the person who collects fares on a public conveyance